In: Math
Assume Monthly Advertising Expenditure is the independent variable.
| 
 Store  | 
 Monthly Profit  | 
 Monthly Advertising expenditure  | 
| 
 A1  | 
 $13,593.02  | 
 $1,710.00  | 
| 
 A2  | 
 $23,896.73  | 
 $1,983.00  | 
| 
 A3  | 
 $9,932.64  | 
 $952.00  | 
| 
 A4  | 
 $9,100.41  | 
 $1,009.00  | 
| 
 A5  | 
 $15,220.08  | 
 $2,315.00  | 
| 
 A6  | 
 $33,900.67  | 
 $2,197.00  | 
| 
 A7  | 
 $6,935.36  | 
 $934.00  | 
| 
 A8  | 
 $10,112.62  | 
 $2,375.00  | 
| 
 A9  | 
 $9,155.14  | 
 $1,065.00  | 
| 
 A10  | 
 $8,513.94  | 
 $812.00  | 
| 
 A11  | 
 $7,933.25  | 
 $1,052.00  | 
| 
 A12  | 
 $11,388.13  | 
 $2,234.00  | 
| 
 A13  | 
 $26,299.72  | 
 $2,962.00  | 
| 
 A14  | 
 $21,423.87  | 
 $1,699.00  | 
| 
 A15  | 
 $21,430.21  | 
 $1,991.00  | 
| 
 A16  | 
 $19,984.96  | 
 $2,181.00  | 
| 
 A17  | 
 $11,575.09  | 
 $1,831.00  | 
| 
 A18  | 
 $18,900.44  | 
 $1,819.00  | 
| 
 A19  | 
 $21,815.24  | 
 $2,394.00  | 
| 
 A20  | 
 $35,642.73  | 
 $2,296.00  | 
What is the sum of squares total value?
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SST or sum of squares Total is marked in yellow.
